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tcg: Reset data_gen_ptr correctly

Browse source 
tcg/riscv: Implement host vector support
 tcg/ppc: Fix tcg_out_rlw_rc
 target/i386: Walk NPT in guest real mode
 target/i386: Use probe_access_full_mmu in ptw_translate
 linux-user: Fix build failure caused by missing __u64 on musl
 linux-user: Emulate /proc/self/maps under mmap_lock
 linux-user/riscv: Fix definition of RISCV_HWPROBE_EXT_ZVFHMIN
 linux-user/ppc: Fix sigmask endianness issue in sigreturn
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Merge tag 'pull-tcg-20241022' of https://gitlab.com/rth7680/qemu into staging

tcg: Reset data_gen_ptr correctly
tcg/riscv: Implement host vector support
tcg/ppc: Fix tcg_out_rlw_rc
target/i386: Walk NPT in guest real mode
target/i386: Use probe_access_full_mmu in ptw_translate
linux-user: Fix build failure caused by missing __u64 on musl
linux-user: Emulate /proc/self/maps under mmap_lock
linux-user/riscv: Fix definition of RISCV_HWPROBE_EXT_ZVFHMIN
linux-user/ppc: Fix sigmask endianness issue in sigreturn

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* tag 'pull-tcg-20241022' of https://gitlab.com/rth7680/qemu: (24 commits)
  linux-user/riscv: Fix definition of RISCV_HWPROBE_EXT_ZVFHMIN
  linux-user: Fix build failure caused by missing __u64 on musl
  linux-user: Trace rt_sigprocmask's sigsets
  linux-user/ppc: Fix sigmask endianness issue in sigreturn
  linux-user: Emulate /proc/self/maps under mmap_lock
  target/i386: Remove ra parameter from ptw_translate
  target/i386: Use probe_access_full_mmu in ptw_translate
  target/i386: Walk NPT in guest real mode
  include/exec: Improve probe_access_full{, _mmu} documentation
  tcg/ppc: Fix tcg_out_rlw_rc
  tcg/riscv: Enable native vector support for TCG host
  tcg/riscv: Implement vector roti/v/x ops
  tcg/riscv: Implement vector shi/s/v ops
  tcg/riscv: Implement vector min/max ops
  tcg/riscv: Implement vector sat/mul ops
  tcg/riscv: Accept constant first argument to sub_vec
  tcg/riscv: Implement vector neg ops
  tcg/riscv: Implement vector cmp/cmpsel ops
  tcg/riscv: Add support for basic vector opcodes
  tcg/riscv: Implement vector mov/dup{m/i}
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2024-10-24 15:21:42 +01:00
commit 6b3756503b
19 changed files with 1152 additions and 175 deletions
Download patch file Download diff file Expand all files Collapse all files

29
include/exec/exec-all.h
View file

@ -368,6 +368,13 @@ int probe_access_flags(CPUArchState *env, vaddr addr, int size,
* The CPUTLBEntryFull structure returned via @pfull is transient
* and must be consumed or copied immediately, before any further
* access or changes to TLB @mmu_idx.
*
* This function will not fault if @nonfault is set, but will
* return TLB_INVALID_MASK if the page is not mapped, or is not
* accessible with @access_type.
*
* This function will return TLB_MMIO in order to force the access
* to be handled out-of-line if plugins wish to instrument the access.
*/
int probe_access_full(CPUArchState *env, vaddr addr, int size,
MMUAccessType access_type, int mmu_idx,
@ -375,22 +382,14 @@ int probe_access_full(CPUArchState *env, vaddr addr, int size,
CPUTLBEntryFull **pfull, uintptr_t retaddr);
/**
* probe_access_mmu() - Like probe_access_full except cannot fault and
* doesn't trigger instrumentation.
* probe_access_full_mmu:
* Like probe_access_full, except:
*
* @env: CPUArchState
* @vaddr: virtual address to probe
* @size: size of the probe
* @access_type: read, write or execute permission
* @mmu_idx: softmmu index
* @phost: ptr to return value host address or NULL
* @pfull: ptr to return value CPUTLBEntryFull structure or NULL
*
* The CPUTLBEntryFull structure returned via @pfull is transient
* and must be consumed or copied immediately, before any further
* access or changes to TLB @mmu_idx.
*
* Returns: TLB flags as per probe_access_flags()
* This function is intended to be used for page table accesses by
* the target mmu itself. Since such page walking happens while
* handling another potential mmu fault, this function never raises
* exceptions (akin to @nonfault true for probe_access_full).
* Likewise this function does not trigger plugin instrumentation.
*/
int probe_access_full_mmu(CPUArchState *env, vaddr addr, int size,
MMUAccessType access_type, int mmu_idx,

6
include/tcg/tcg.h
View file

@ -521,6 +521,12 @@ struct TCGContext {
struct qemu_plugin_insn *plugin_insn;
#endif
/* For host-specific values. */
#ifdef __riscv
MemOp riscv_cur_vsew;
TCGType riscv_cur_type;
#endif
GHashTable *const_table[TCG_TYPE_COUNT];
TCGTempSet free_temps[TCG_TYPE_COUNT];
TCGTemp temps[TCG_MAX_TEMPS]; /* globals first, temps after */